Vocabulary
Calculations
Changes
Substances
Particles
100
This is a substance with a fixed shape and volume.
What is a solid?
100
The formula is l x w x h
What is volume?
100
In a physical change, only the form and state change. True or false?
What is true?
100
Concrete is a mechanical mixture. True or false?
What is true?
100
The particles of this state of matter move very fast.
What is a gas?
200
This is a cloudy mixture.
What is a suspension?
200
Calculate the volume of an object with the length of 2 cm, width of 4 cm and height of 5 cm.
What is 30 cm3?
200
This is when a substance turns into a different substance and is not reversible.
What is a chemical change?
200
They are made of two or more pure substances.
What is a mixture?
200
Particles move ________ when butter is warmed on the stove.
What is faster and farther apart?
300
When 2 or more parts can be seen with the unaided eye, it makes this kind of mixture.
What is a mechanical mixture?
300
The units you write after every density question.
What is g/mL?
300
You put sugar in water and the sugar crystals disappear.
What is physical change?
300
Pop is this type of mixture.
What is a solution?
300
A substance is a solid at 20 degrees, then it will start to melt at this temperature.
What is 20 degrees?
400
This is a change in state from gas to liquid.
What is condensation?
400
This is the formula for density.
What is mass divided by volume?
400
These are two differences between chemical and physical change.
What is same substance and different substance created?
400
Pure substances have this the same.
What is properties?
400
This change is from a liquid to a gas.
What is evaporation?
500
This is is a change in state when a solid changes directly to a gas.
What is sublimation?
500
Find the density for a piece of wood with a mass of 200 g and a volume of 10 cm3.
What is 20 g/mL?
500
These are the five clues you would observe if a chemical change is occurring.
What is new colour, heat light and sound, bubbles of gas, solid turns to liquid, and cannot be reversed?
500
All pure substances contain this type of particles
What is one kind?
500
The particles do this when liquid wax hardens.
What is move closer together and slower?
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